Mistral launched a public preview of Mistral Large 4 on October 6. The company describes it as a natively multimodal, 1-trillion-parameter model with 52 billion active parameters; it said the model weights would be released later in October.

Mistral and Mozilla announced a partnership to bring open, private, multilingual AI to web browsing through Firefox Smart Window. The announcement describes the collaboration as bringing more privacy, control, and choice to people using AI to browse online.

Numspot and Mistral announced a partnership and joint go-to-market strategy for the Mistral suite. The collaboration introduces a fully managed AI offering operated in France on sovereign cloud infrastructure.

TotalEnergies and Mistral announced a three-year joint program to develop frontier AI models for oil and gas reservoir exploration, characterization, and engineering. The program represents an investment of more than €100 million and will establish a joint scientific laboratory combining TotalEnergies’ geoscience expertise with Mistral’s AI capabilities.

Cloudera and Mistral announced a strategic partnership to integrate Mistral’s frontier models and tools with Cloudera’s hybrid data and AI platform. The collaboration will let enterprises customize and run AI across cloud, on-premises, edge, sovereign, and air-gapped environments, including across Cloudera customers’ governed data estates.

Samsung Electronics and Mistral AI announced a strategic partnership focused on deploying on-premises AI across Samsung’s semiconductor engineering and manufacturing operations. Samsung will integrate Mistral services, including Mistral Large, and also led Mistral’s Series D funding round to secure a strategic equity stake.

Mistral announced a €3 billion Series D funding round at a post-money valuation of more than €21 billion. Samsung Electronics led the round, with Scaleup Europe Fund managed by EQT and existing investor PSG Equity joining as co-leads.

Mistral entered a strategic partnership with Côte d’Ivoire’s Ministry of Digital Transition and Technological Innovation to develop an AI deployment roadmap aligned with the country’s 2026–2030 National Development Plan. The partnership includes an audit of Côte d’Ivoire’s AI ecosystem, data and infrastructure, and priority use cases, with Artefact Côte d’Ivoire supporting the work.

Mistral announced a strategic collaboration with HUMAIN spanning AI infrastructure, advanced model development, and deployment of AI solutions in Saudi Arabia and the wider Middle East. The initiative includes localized models focused initially on cybersecurity and voice, Arabic-capable frontier models, use of HUMAIN data-center infrastructure, and a joint go-to-market strategy for regulated industries.

Mistral AI announced Agentic Search, a retrieval layer that enables AI systems to navigate, read, and verify information across complex documents. It is available through Mistral Search Toolkit and Libraries, and Mistral reported improved accuracy on FinanceBench and OfficeQA Pro alongside lower latency and token usage.

Harvey announced a slate of August product releases on August 13, including Command Center for AI-program adoption analytics, AI-powered ethical walls through Intapp Walls, per-party access controls, and a Shared Spaces activity feed. The update also expanded Harvey’s capabilities across Outlook, iManage, Word, mobile, multiple AI models, DeepL translation, Tirant lo Blanch content, and more than 100 legal research sources.

Mistral AI announced that its Regional Endpoints became generally available, allowing customers to choose whether inference runs in Europe or the United States. It also introduced the Mistral Priority Tier in public preview, with committed service levels and an uptime SLA, alongside plans for up to 1 GW of European compute capacity by 2030.

Mistral AI was reported to be in early discussions to raise approximately €3 billion at a valuation near €20 billion, up from its previous €11.7 billion valuation. The funding would support infrastructure, enterprise products and AI development, although the terms remained subject to change.

Mistral and Microsoft announced a significant expansion of their strategic partnership on July 21, 2026. Mistral Medium 3.5 and OCR 4 became available in Microsoft Foundry, Mistral Medium 3.5 was added to Copilot Studio, and Microsoft committed to leverage Mistral’s expanded Europe-based GPU infrastructure.